Matcher

An experimental library heavily inspired by pattern matching in functional languages

Usage

<?php

use function Psafarov\Matcher\match;

if (match('[1, a: int, 0..5, "key" => [b]]', [1, 2, 3, "key" => [4]], $refs)) {
    echo "It is an array."
     . "The first element is 1"
     . "The second element is integer {$ref['a']}"
     . "The third element is between 0 and 5"
     . "The forth element has key and contains array containing {$refs['b']}" ;
}

As you see the match function reminds of preg_match function, but it works for every php variable

match($pattern, $subject, &$references = null) : bool

Available Patterns

• 1 1.0 true 'string' - value
• 0..100 - range
• /^REGEX$/ - regular expression
• [0, 1, 'a' => 2] - array
• \stdClass('a' => 1) - object
• someReference - reference
• someReference: \stdClass - reference with type
• someReference @ 0..100 - bounded reference